litmus.com 23 F
🛡️ SEO 0 🤖 GEO 66 ⚡ Perf 34 🏗️ Arch 81

litmus.com — Global SEODiff Score 23/100

litmus.com
📊

litmus.com registers just 15/100 on the ACRI scale — a bottom-tier result indicating systemic AI visibility problems. Within the infrastructure vertical, this places litmus.com below the industry average of 57 —, indicating room for competitive improvement. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. The 10.8× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. All major AI crawlers (GPTBot, ClaudeBot, CCBot, Google-Extended) are restricted by robots.txt — the site has limited accessibility to AI search.

23
F — Global SEODiff Score
Comprehensive search visibility assessment
Significant improvement opportunities. Start with Traditional SEO (0).
🎯 Top Fix: Allow GPTBot + ClaudeBot in robots.txt → lift the score cap
🔬 Automated SEODiff Assessment · Snapshot: Mar 13, 2026 · 📋 API
Does your site score higher than litmus.com?
Run the same 40-signal audit on your own domain — free, instant results.
Scan Your Site Free →
🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)0 × 0.25 = 0.0
🤖 AI Readiness / GEO (40% weight)66 × 0.40 = 26.4
⚡ Performance (20% weight)34 × 0.20 = 6.8
🏗️ Architecture & Trust (15% weight)81 × 0.15 = 12.2
Weighted sum = 0.0 + 26.4 + 6.8 + 12.2
⚠️ Fatal multiplier: All major AI bots blocked → ×0.5
Global SEODiff Score = 23 (F)
🚫
Gatekeeper Rule: Score cannot exceed 15. Both GPTBot and ClaudeBot are blocked in robots.txt. No major AI assistant can cite this site. Allow at least one major AI crawler to lift the cap. See Bot Access →
📊 ACRI Sub-Scores (AI Readiness Detail)
0
Bot Access
avg 92
100
Rendering
avg 93
45
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 2%
Rank #24552
+65 pts
Gap
AI (ACRI)
Top 67%
Score 15/100

litmus.com punches above its weight in AI — AI visibility exceeds Google ranking. This is a competitive moat worth protecting. ACRI measures technical crawler readiness. Read the methodology →

Why litmus.com ranks here

Tech stackWordPress
RenderingSSR
Schema coverage1 blocks
Token bloat10.8×

Fastest improvements

  • Allow GPTBot in robots.txt so AI crawlers can access your pages (see Crawl Access).
  • Allow ClaudeBot (many assistants rely on it) — blocking it often correlates with “AI invisibility.”
  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • Create an llms.txt file so AI crawlers can discover your content structure without heavy crawling. Generate llms.txt →
  • Run a full entropy audit to find which DOM regions waste the most tokens. Run Entropy Audit →
🧪

JavaScript Rendering Check

We check what AI crawlers miss when they skip JavaScript execution.

Running headless browser to simulate AI extraction…
🛡️

Traditional SEO

0/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

60 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

129 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 8
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.litmus.com/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en-US
  • ➖ Hreflang tags — N/A (single language site)
  • ✗ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — All-in-One Email Marketing Platform | Tools to Drive Success
  • ✓ og:description — Litmus is the all-in-one email marketing platform that provides the tools and solutions your team needs to make every send count.
  • ✓ og:image — preview
  • ✓ twitter:card — summary_large_image
📐 How the SEO Pillar score is calculated

SEO Pillar = Title (20 pts) + Meta Desc (20 pts) + Heading Hierarchy (20 pts) + Indexability (20 pts) + Social/OG (20 pts)

Each sub-score is derived from the checks above. Canonical tag, lang attribute, og:image, and a single H1 are the highest-impact items.

🤖

AI Readiness / GEO

66/100 40 % of Global Score 🟢 High Confidence

This pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.

🔗

Citation Alternatives

Research
💡
Insight: In the infrastructure sector, safely.co.jp (ACRI: 90) currently has stronger AI extractability. AI models tend to prefer sources with higher semantic structure and schema coverage. Domains with ACRI < 40 see 3.5× more hallucinations. Read the research →
litmus.com
45
Your ACRI Score
90
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. safely.co.jp has schema coverage of 3 blocks and uses WordPress. Improve your score by implementing the remediation patches below.
📊 Side-by-Side Comparison →
🚨

Hallucination Risk

Research

Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.

Analyzing hallucination risk…

🤖 Bot Access Matrix

GPTBot (OpenAI)
Blocked
ClaudeBot (Anthropic)
Blocked
CCBot (Common Crawl)
Blocked
Google-Extended
Blocked
Googlebot
Blocked
💡GPTBot is blocked. To appear in ChatGPT citations, add Allow: / under User-agent: GPTBot in your robots.txt.
💡ClaudeBot is blocked. To be cited by Claude, allow ClaudeBot in robots.txt.

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 45/100 — Fair
Structured Elements 99 elements (99 lists, 0 rows, 0 headers)
Total Words1596
Raw Density6.2%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

1/7 schema types detected
✅ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
❌ WebSite
💡Product / Service schema missing. AI models don't know this is a SaaS product. Add Product or SoftwareApplication schema so AI understands what you offer and can surface pricing/features.
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.
💡WebSite schema missing. Add WebSite + SearchAction so Google can generate a Sitelinks Search Box for your brand in AI results.

📐 AI Efficiency Metrics Docs

58
AI Extractability
Medium
Crawl Cost
Critical
Blocklist Risk
Extractability58/100 — AI models can partially extract answers from this page
Crawl CostMedium (40/100) — moderate for AI crawlers to process
Blocklist RiskCritical — 5 of 5 AI crawlers blocked

Token Bloat Research

9%
🗑️ 91%
Useful Content (17.6 KB)Bloat (172.9 KB)
Token Bloat Ratio10.8× — Normal

Multimodal Readiness

Visual Context67% Optimized for Vision
Image Alt Coverage10 / 15 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 90.8% · SNR: 0.10 · Signal: 4495 / Noise: 44252 tokens

🔬 AI-Crawler Simulation

See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.

🌐
This is what humans see — styled, branded, visual.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
🤖

AI Answer Preview

NEW

See how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.

Simulating AI extraction…
🧠

The LLM Interpretation

AI-VERIFIED

SEODiff AI analyzed the extracted content of litmus.com and produced this structured business intelligence. Fields marked SEMANTIC VOID indicate information the AI could not find — a critical gap in your site’s machine-readability.

Core Offering
Litmus provides a comprehensive email testing platform that helps marketers optimize their email campaigns by identifying deliverability issues, ensuring proper
Target Audience
Email marketers, marketing managers, email developers, and agencies involved in email campaign creation and optimization.
Pricing Model
Tiered subscription model with a free plan, and paid plans ranging from $19 to $399 per month, based on features and user count.
🔗 Integration Partners
MailchimpHubSpotSalesforceActiveCampaignSendGridBraze
🛡️ Compliance Standards
GDPRSOC 2
🏆 Competitive Moat
Deep email client testing across a wide range of devices and email platforms, combined with AI-powered deliverability analysis and personalized recommendations.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Email testing blog postsEmail deliverability guidesEmail template library
⚡ Key Pain Points
• Lack of comprehensive email client testing
• Difficulty ensuring email rendering across different devices
• Challenges in identifying and resolving deliverability issues
• Need for personalized email content
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time8654 ms
Raw HTML Size190.4 KB
Visible Text Size17.6 KB

Performance & Speed

34/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

8654 ms
Slow — bots may time out or deprioritise

Google considers <200 ms "good". AI crawlers may have even shorter timeouts.

📦 Page Weight

1109
DOM nodes
190 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, max-age=604800
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

0
tracker scripts
0
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
📐 How the Performance Pillar score is calculated

Perf Pillar = TTFB (35 pts) + Page Weight (25 pts) + Cache/CDN (20 pts) + Tracker Tax (20 pts)

TTFB <200 ms = full marks. DOM >3000 or payload >300 KB incurs heavy penalties. Tracker scripts beyond 5 reduce score.

🏗️

Architecture & Trust

81/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✗ Googlebot allowed
  • ✗ GPTBot allowed
  • ✗ ClaudeBot allowed

🔗 Linking

104
internal links
16
external links
Good internal linking — helps crawlers discover content

🔒 Security & Trust

  • ✓ HSTS header (Strict-Transport-Security)
  • ✓ Content-Security-Policy header
  • ✓ HTTP status 200 OK (got 200)

♿ Accessibility Signals

  • ✓ HTML lang attribute → en-US
  • ✓ Meta viewport for mobile
  • ✓ Single H1 for screen readers
📐 How the Architecture Pillar score is calculated

Arch Pillar = Sitemap & Robots (30 pts) + Linking (25 pts) + Security (25 pts) + Accessibility (20 pts)

Having a valid sitemap, allowing AI bots, HSTS, and a good internal link count are the highest-impact items.

🏅 AI-Verified Trust Badge

Your site scores 45/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for litmus.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/litmus.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=litmus.com" alt="AI-Verified by SEODiff" width="280" height="52"></a>

💡 Paste in your site footer, GitHub README, or email signature. Badge updates automatically as your score changes.

� Deep Crawl Analysis 104 pages · Deep-10

Homepage ACRI
45
Single-page score
+23
Subpages outperform homepage
Δ delta
Site-Wide ACRI
68
Avg across 104 pages · Range 0–80
Topical Cohesion
16%
Topical Drift
TF-IDF cosine similarity
Total Words
165907
Avg Bloat
26.3×
RAG Fractures [?]
93
⚠️
93 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 93 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://www.litmus.com/blog/agency-tips-how-to-streamline-email-review-approval-processes-with-your-clients
Email Marketing for Agencies 2025 Playbook - Litmus
pricing 80 11.0× 4621 ⚠️ RAG Fracture
https://www.litmus.com/blog/the-biggest-email-marketing-challenges
The Biggest Email Marketing Challenges of 2018 - Litmus
pricing 80 11.5× 3812 ⚠️ RAG Fracture
https://www.litmus.com/blog/qa-with-wishpond-how-to-use-automated-emails-to-reduce-product-churn
Q&A With Wishpond: How To Use Automated Emails To Reduce Product Churn - Litmus
pricing 80 12.4× 3422 ⚠️ RAG Fracture
https://www.litmus.com/blog/what-it-takes-to-scale-your-email-program-webinar-recording-qa
What it Takes to Scale Your Email Program: Webinar Recording + Q&A - Litmus
pricing 77 17.5× 2374 ⚠️ RAG Fracture
https://www.litmus.com/blog/automate-your-emails-in-two-ways-snippets-vs-partials
Automate Your Email Builds in Two Ways: Snippets vs. Partials - Litmus
pricing 77 19.3× 2152 ⚠️ RAG Fracture
https://www.litmus.com/blog/how-to-write-and-design-a-great-email-signature
How to Write & Design a Great Email Signature - Litmus
pricing 77 15.7× 2611 ⚠️ RAG Fracture
https://www.litmus.com/blog/5-pain-points-that-slow-down-your-email-workflow-webinar-recording-qa
5 Pain Points That Slow Down Your Email Workflow: Webinar Recording + Q&A - Litmus
pricing 77 16.1× 2564 ⚠️ RAG Fracture
https://www.litmus.com/blog/supercharge-your-onboarding-emails-webinar-recording-qa
Supercharge Your Onboarding Emails: Webinar Recording + Q&A - Litmus
pricing 77 18.0× 2253 ⚠️ RAG Fracture
https://www.litmus.com/blog/6-ways-to-encourage-influencer-behavior-through-email-marketing
6 Ways to Encourage Influencer Behavior Through Email Marketing - Litmus
pricing 77 18.8× 2180 ⚠️ RAG Fracture
https://www.litmus.com/blog/how-to-use-click-to-call-functionality-for-better-email-attribution
How to Use Click-to-Call Functionality for Better Email Attribution - Litmus
pricing 77 15.7× 2591 ⚠️ RAG Fracture
https://www.litmus.com/blog/gdpr-re-permission-campaigns-6-tips-for-making-them-a-success
GDPR Re-permission Campaigns: 6 Tips for Making Them a Success - Litmus
pricing 77 16.7× 2471 ⚠️ RAG Fracture
https://www.litmus.com/blog/unsubscribe-suggestions-what-it-means-for-email-marketers
Is Your Inbox Asking You to Unsubscribe? Don't Panic. - Litmus
pricing 77 19.7× 2087 ⚠️ RAG Fracture
https://www.litmus.com/blog/biggest-email-marketing-myths
The Biggest Email Marketing Myths - Litmus
pricing 77 17.8× 2098 ⚠️ RAG Fracture
https://www.litmus.com/blog/6-takeaways-from-the-unspam-2020-conference
6 Takeaways from the UNSPAM 2020 Conference - Litmus
pricing 77 15.7× 2638 ⚠️ RAG Fracture
https://www.litmus.com/blog/3-mega-trends-from-litmus-live-2018
3 Mega-Trends from Litmus Live 2018 - Litmus
pricing 77 19.6× 2098 ⚠️ RAG Fracture
https://www.litmus.com/blog/6-steps-to-creating-a-successful-welcome-email-experience
6 Steps to Creating a Successful Welcome Email Experience - Litmus
pricing 77 19.5× 1865 ⚠️ RAG Fracture
https://www.litmus.com/blog/what-makes-a-really-good-newsletter-webinar-recording-qa
What Makes a Really Good Newsletter: Webinar Recording + Q&A - Litmus
pricing 77 18.0× 2267 ⚠️ RAG Fracture
https://www.litmus.com/blog/life-as-an-email-marketer
True Life: I Send Email As Part of My Job - Litmus
pricing 77 19.2× 2091 ⚠️ RAG Fracture
https://www.litmus.com/blog/4-ways-to-optimize-your-transactional-emails
4 Ways to Optimize Your Transactional Emails - Litmus
pricing 77 19.1× 2145 ⚠️ RAG Fracture
https://www.litmus.com/blog/how-to-master-international-opt-in-requirements
How to Master International Opt-In Requirements - Litmus
pricing 77 17.4× 2371 ⚠️ RAG Fracture
Showing 20 of 100 pages. Unlock full subpage table →
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/blog/ 94 71 0% 25.8× High JS Bloat
/pricing/ 2 72 0% 26.9× High JS Bloat
/features/ 1 67 0% 39.3× High JS Bloat
/integrations/ 1 67 0% 34.7× High JS Bloat
/contact/ 1 61 1% 48.3× Bot Blocked
/products/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 29 0% 100.0× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 67 0% 38.9× High JS Bloat
🔄 Re-Crawl & Update 📡 Track this Domain

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🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/litmus.com

Get your free API key — 100 requests/month included.

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📊 Semantic Share of Voice

How often would an AI cite litmus.com when users ask about topics in this domain's niche? We run entity queries through our 188k-page search index and measure citation probability.

Analyzing citation landscape…

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to litmus.com. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Add WebSite + SearchAction JSON-LD
High Impact ⏱ 5 min
Enables the Sitelinks Search Box in Google and allows AI to understand your site structure.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "Litmus",
  "url": "https://litmus.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://litmus.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Allow GPTBot in robots.txt
High Impact ⏱ 2 min
GPTBot is blocked — your content cannot appear in ChatGPT citations. Add this to your robots.txt:
text
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /
Allow ClaudeBot in robots.txt
Medium Impact ⏱ 2 min
ClaudeBot is restricted — Claude may not be able to cite your content. Many AI assistants rely on it.
text
User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 9% of your HTML is useful content. AI crawlers waste context window tokens on bloat.
html
<!-- Move inline CSS to external stylesheets -->
<link rel="stylesheet" href="/css/main.css">

<!-- Move inline scripts to external files with defer -->
<script src="/js/app.js" defer></script>

<!-- Remove duplicate navigation blocks -->
<!-- Keep only ONE <nav> in the <header> -->

<!-- Ensure <main> wraps your primary content -->
<main>
  <!-- Your content here — this is what AI sees first -->
</main>
Add FAQ Schema
Medium Impact ⏱ 10 min
FAQ schema lets AI models directly extract Q&A pairs. This is the easiest way to get featured in AI responses.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is Litmus?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Litmus does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Litmus work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Litmus."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for litmus.com:

Current Score
15
Projected Score
40
Improvement
+25 pts
Allow GPTBot +8 pts
Allow ClaudeBot +5 pts
Add WebSite schema +4 pts
Reduce token bloat +5 pts
Add FAQ schema +3 pts

*Estimates based on SEODiff's scoring model. Actual results depend on implementation quality.

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

All data is generated automatically and updated with each crawl. JSON exports contain scores and metadata only (no copyrighted content).

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🧭 Self-Diffing (Private Layer)

For owned domains, combine this world snapshot with private drift + regression history.
Template Drift
Track in My Site
Drift → Traffic Impact
In development coming soon
Regression Incidents
Track in My Site
Internal Linking
Deep Audit graph
Semantic Structure
GEO view in Deep Audit
Content Quality
Thin/duplicate tracking

🕒 History

Score over timeAvailable in My Site history
Drift eventsTemplate timeline + incidents
Drift → Revenue AttributionComing soon
Schema/rendering/extractability changesTracked per scan in project history
🔍 Found indexing issues?
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